CVE-2025-14586: TOTOLINK X5000R · OS Command Injection
Affects TOTOLINK X5000RSource CVE Database V5
Public exploit available · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 2.7% chance of exploitation in 30 days – higher than 86% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 13 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
- Apply firmware updates from TOTOLINK as soon as they become available to patch the vulnerability.
- Until patches are released, restrict access to the router's management interface by limiting it to trusted internal networks or via VPN.
- Disable remote management features if not required to reduce attack surface.
- Implement network-level protections such as web application firewalls (WAFs) or intrusion prevention systems (IPS) to detect and block malicious payloads targeting the vulnerable CGI endpoint.
- Monitor router logs and network traffic for unusual activity indicative of exploitation attempts, such as unexpected commands or connections.
- Conduct regular security assessments of network devices to identify outdated firmware and vulnerable configurations.
- Educate network administrators on the risks of exposing management interfaces and the importance of timely patching.
- Consider network segmentation to isolate critical systems from potentially compromised devices. These measures collectively reduce the likelihood of successful exploitation and limit potential damage.
Description
A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the function snprintf of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user. This manipulation of the argument User causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.